Matches 1 - 18 out of 18
Match Document Document Title
7369932 System and method for turbine engine fault detection using discrete event system modeling  
A system and method is provided for fault detection in a turbine engine. The fault detection system and method uses discrete event system modeling to provide improved fault diagnosis and prognosis....
4423593 Fuel control for controlling helicopter rotor/turbine acceleration  
The difference in the speed (54, 56) of a helicopter gas engine (20), free turbine (40) from a reference speed (62, 64) generates (80) a desired acceleration signal (81). The difference (82) in...
4104876 Fan R. P. M. control loop stabilization using high rotor speed  
A fan spool stabilization loop which improves the stability of the low speed or fan spool in a two spool turbofan engine. In a preferred embodiment, the actual rate of rotation of the high speed...
3987620 Device for controlling gas turbine engines  
The electronic device for controlling gas turbine engines includes a plurality of transducers which will generate electrical signals proportional to speed, temperature and pressure to indicate...
3902315 Starting fuel control system for gas turbine engines  
The fuel flow in a gas turbine engine which is started by an auxiliary compressed air supply or cartridge is initially scheduled as a function of engine speed at all ambient conditions, resulting...
3851464 GAS TURBINE FUEL CONTROL  
A fuel control for a gas turbine engine includes electrical circuits to generate a signal which determines the amount of fuel supplied to the engine. The signal responds to an input from the...
3830055 FLAME-OUT CONTROL IN GAS TURBINE ENGINE  
An automatic re-light control system for a gas turbine engine comprises means for producing a signal corresponding to the quotient of the rate of change of speed of an engine shaft and an engine...
3747340 FLAME SENSING SYSTEM FOR A TURBINE ENGINE  
The temperature difference between the combustion products leaving a combustion chamber and the air entering the combustion chamber is compared with a reference value that is based on the mass...
3520133 GAS TURBINE CONTROL SYSTEM  
3420056 FUEL CONTROL SYSTEM FOR A GAS TURBINE ENGINE  
3363411 Regulating means of power plants comprising at least one free-piston gas generator  
3295317 Fuel control system for gas turbine engines  
3295316 Speed overshoot limiter for fuel controls  
3225814 Speed and acceleration regulator  
3174529 Control system  
3164161 Controls for gas turbine engines or other apparatus  
3153322 Magnetic amplifier circuits  
3151450 Gas turbine cruising and starting fuel control system  
Matches 1 - 18 out of 18